/Engine/Source/Editor/KismetCompiler/Public/KismetCompiledFunctionContext.h
Makes sure an KCST_WireTraceSite is inserted before the specified statement, and associates the specified pin with the inserted wire-trace (so we can backwards engineer which pin triggered the goto).
void InsertWireTrace ( [FBlueprintCompiledStatement](API\Editor\KismetCompiler\FBlueprintCompiledStatement) * GotoStatement, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * AssociatedExecPin )